/usr/lib/live/build/chroot_sysfs is in live-build 3.0.5-1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 | #!/bin/sh
## live-build(7) - System Build Scripts
## Copyright (C) 2006-2013 Daniel Baumann <daniel@debian.org>
##
## This program comes with ABSOLUTELY NO WARRANTY; for details see COPYING.
## This is free software, and you are welcome to redistribute it
## under certain conditions; see COPYING for details.
set -e
# Including common functions
[ -e "${LIVE_BUILD}/scripts/build.sh" ] && . "${LIVE_BUILD}/scripts/build.sh" || . /usr/lib/live/build.sh
# Setting static variables
DESCRIPTION="$(Echo 'mount /sys')"
HELP=""
USAGE="${PROGRAM} {install|remove} [--force]"
Arguments "${@}"
# Ensure that a system is built as root
lb testroot
# Reading configuration files
Read_conffiles config/all config/common config/bootstrap config/chroot config/binary config/source
Set_defaults
# Requiring stage file
Require_stagefile .build/config .build/bootstrap
case "${1}" in
install)
Echo_message "Begin mounting /sys..."
# Checking stage file
Check_stagefile .build/chroot_sysfs
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
if [ "${LB_USE_FAKEROOT}" != "true" ]
then
# Create mountpoint
mkdir -p chroot/sys
# Mounting /sys
${LB_ROOT_COMMAND} mount sysfs-live -t sysfs chroot/sys
else
rm -rf chroot/sys
ln -s /sys chroot/
fi
# Creating stage file
Create_stagefile .build/chroot_sysfs
;;
remove)
Echo_message "Begin unmounting /sys..."
# Checking lock file
Check_lockfile .lock
# Creating lock file
Create_lockfile .lock
if [ "${LB_USE_FAKEROOT}" != "true" ]
then
# Unmounting /sys
#fuser -km chroot/sys
if [ -e chroot/sys/class ]
then
${LB_ROOT_COMMAND} umount chroot/sys
fi
else
rm -rf chroot/sys
mkdir -p chroot/sys
fi
# Removing stage file
rm -f .build/chroot_sysfs
;;
*)
Usage
;;
esac
|